package net.minecraft.block;

import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.properties.PropertyEnum;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.creativetab.CreativeTabs;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.entity.player.EntityPlayer;
import net.minecraft.init.Blocks;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.util.EnumWorldBlockLayer;
import net.minecraft.util.IStringSerializable;
import net.minecraft.util.MovingObjectPosition;
import net.minecraft.util.Vec3;
import net.minecraft.world.IBlockAccess;
import net.minecraft.world.World;

public class BlockTrapDoor extends Block {
	public static final PropertyDirection FACING = PropertyDirection.create("facing", EnumFacing.Plane.HORIZONTAL);
	public static final PropertyBool OPEN = PropertyBool.create("open");
	public static final PropertyEnum<BlockTrapDoor.DoorHalf> HALF = PropertyEnum.<BlockTrapDoor.DoorHalf>create("half",
			BlockTrapDoor.DoorHalf.class);

	protected BlockTrapDoor(Material materialIn) {
		super(materialIn);
		this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH)
				.withProperty(OPEN, Boolean.valueOf(false)).withProperty(HALF, BlockTrapDoor.DoorHalf.BOTTOM));
		float f = 0.5F;
		float f1 = 1.0F;
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
		this.setCreativeTab(CreativeTabs.tabRedstone);
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	public boolean isFullCube() {
		return false;
	}

	public boolean isPassable(IBlockAccess worldIn, BlockPos pos) {
		return !((Boolean) worldIn.getBlockState(pos).getValue(OPEN)).booleanValue();
	}

	public AxisAlignedBB getSelectedBoundingBox(World worldIn, BlockPos pos) {
		this.setBlockBoundsBasedOnState(worldIn, pos);
		return super.getSelectedBoundingBox(worldIn, pos);
	}

	public AxisAlignedBB getCollisionBoundingBox(World worldIn, BlockPos pos, IBlockState state) {
		this.setBlockBoundsBasedOnState(worldIn, pos);
		return super.getCollisionBoundingBox(worldIn, pos, state);
	}

	public void setBlockBoundsBasedOnState(IBlockAccess worldIn, BlockPos pos) {
		this.setBounds(worldIn.getBlockState(pos));
	}

	/**
	 * Sets the block's bounds for rendering it as an item
	 */
	public void setBlockBoundsForItemRender() {
		float f = 0.1875F;
		this.setBlockBounds(0.0F, 0.40625F, 0.0F, 1.0F, 0.59375F, 1.0F);
	}

	public void setBounds(IBlockState state) {
		if (state.getBlock() == this) {
			boolean flag = state.getValue(HALF) == BlockTrapDoor.DoorHalf.TOP;
			Boolean obool = (Boolean) state.getValue(OPEN);
			EnumFacing enumfacing = (EnumFacing) state.getValue(FACING);
			float f = 0.1875F;

			if (flag) {
				this.setBlockBounds(0.0F, 0.8125F, 0.0F, 1.0F, 1.0F, 1.0F);
			} else {
				this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.1875F, 1.0F);
			}

			if (obool.booleanValue()) {
				if (enumfacing == EnumFacing.NORTH) {
					this.setBlockBounds(0.0F, 0.0F, 0.8125F, 1.0F, 1.0F, 1.0F);
				}

				if (enumfacing == EnumFacing.SOUTH) {
					this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 1.0F, 0.1875F);
				}

				if (enumfacing == EnumFacing.WEST) {
					this.setBlockBounds(0.8125F, 0.0F, 0.0F, 1.0F, 1.0F, 1.0F);
				}

				if (enumfacing == EnumFacing.EAST) {
					this.setBlockBounds(0.0F, 0.0F, 0.0F, 0.1875F, 1.0F, 1.0F);
				}
			}
		}
	}

	public boolean onBlockActivated(World worldIn, BlockPos pos, IBlockState state, EntityPlayer playerIn,
			EnumFacing side, float hitX, float hitY, float hitZ) {
		if (this.blockMaterial == Material.iron) {
			return true;
		} else {
			state = state.cycleProperty(OPEN);
			worldIn.setBlockState(pos, state, 2);
			worldIn.playAuxSFXAtEntity(playerIn, ((Boolean) state.getValue(OPEN)).booleanValue() ? 1003 : 1006, pos, 0);
			return true;
		}
	}

	/**
	 * Called when a neighboring block changes.
	 */
	public void onNeighborBlockChange(World worldIn, BlockPos pos, IBlockState state, Block neighborBlock) {
		if (!worldIn.isRemote) {
			BlockPos blockpos = pos.offset(((EnumFacing) state.getValue(FACING)).getOpposite());

			if (!isValidSupportBlock(worldIn.getBlockState(blockpos).getBlock())) {
				worldIn.setBlockToAir(pos);
				this.dropBlockAsItem(worldIn, pos, state, 0);
			} else {
				boolean flag = worldIn.isBlockPowered(pos);

				if (flag || neighborBlock.canProvidePower()) {
					boolean flag1 = ((Boolean) state.getValue(OPEN)).booleanValue();

					if (flag1 != flag) {
						worldIn.setBlockState(pos, state.withProperty(OPEN, Boolean.valueOf(flag)), 2);
						worldIn.playAuxSFXAtEntity((EntityPlayer) null, flag ? 1003 : 1006, pos, 0);
					}
				}
			}
		}
	}

	/**
	 * Ray traces through the blocks collision from start vector to end vector
	 * returning a ray trace hit.
	 */
	public MovingObjectPosition collisionRayTrace(World worldIn, BlockPos pos, Vec3 start, Vec3 end) {
		this.setBlockBoundsBasedOnState(worldIn, pos);
		return super.collisionRayTrace(worldIn, pos, start, end);
	}

	/**
	 * Called by ItemBlocks just before a block is actually set in the world, to
	 * allow for adjustments to the IBlockstate
	 */
	public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ,
			int meta, EntityLivingBase placer) {
		IBlockState iblockstate = this.getDefaultState();

		if (facing.getAxis().isHorizontal()) {
			iblockstate = iblockstate.withProperty(FACING, facing).withProperty(OPEN, Boolean.valueOf(false));
			iblockstate = iblockstate.withProperty(HALF,
					hitY > 0.5F ? BlockTrapDoor.DoorHalf.TOP : BlockTrapDoor.DoorHalf.BOTTOM);
		}

		return iblockstate;
	}

	/**
	 * Check whether this Block can be placed on the given side
	 */
	public boolean canPlaceBlockOnSide(World worldIn, BlockPos pos, EnumFacing side) {
		return !side.getAxis().isVertical()
				&& isValidSupportBlock(worldIn.getBlockState(pos.offset(side.getOpposite())).getBlock());
	}

	protected static EnumFacing getFacing(int meta) {
		switch (meta & 3) {
		case 0:
			return EnumFacing.NORTH;

		case 1:
			return EnumFacing.SOUTH;

		case 2:
			return EnumFacing.WEST;

		case 3:
		default:
			return EnumFacing.EAST;
		}
	}

	protected static int getMetaForFacing(EnumFacing facing) {
		switch (facing) {
		case NORTH:
			return 0;

		case SOUTH:
			return 1;

		case WEST:
			return 2;

		case EAST:
		default:
			return 3;
		}
	}

	private static boolean isValidSupportBlock(Block blockIn) {
		return blockIn.blockMaterial.isOpaque() && blockIn.isFullCube() || blockIn == Blocks.glowstone
				|| blockIn instanceof BlockSlab || blockIn instanceof BlockStairs;
	}

	public EnumWorldBlockLayer getBlockLayer() {
		return EnumWorldBlockLayer.CUTOUT;
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(FACING, getFacing(meta))
				.withProperty(OPEN, Boolean.valueOf((meta & 4) != 0))
				.withProperty(HALF, (meta & 8) == 0 ? BlockTrapDoor.DoorHalf.BOTTOM : BlockTrapDoor.DoorHalf.TOP);
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		int i = 0;
		i = i | getMetaForFacing((EnumFacing) state.getValue(FACING));

		if (((Boolean) state.getValue(OPEN)).booleanValue()) {
			i |= 4;
		}

		if (state.getValue(HALF) == BlockTrapDoor.DoorHalf.TOP) {
			i |= 8;
		}

		return i;
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { FACING, OPEN, HALF });
	}

	public static enum DoorHalf implements IStringSerializable {
		TOP("top"), BOTTOM("bottom");

		private final String name;

		private DoorHalf(String name) {
			this.name = name;
		}

		public String toString() {
			return this.name;
		}

		public String getName() {
			return this.name;
		}
	}
}
